/*
 * Copyright (C) 2012 Bluegiga Technologies Oy
 *
 * Authors:
 * Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
 * Lauri Hintsala <lauri.hintsala@bluegiga.com>
 *
 * Based on m28evk.h:
 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
 * on behalf of DENX Software Engineering GmbH
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 */
#ifndef __CONFIG_H
#define __CONFIG_H

/* SoC configurations */
#define CONFIG_MX28				/* i.MX28 SoC */
#define CONFIG_MXS_GPIO				/* GPIO control */
#define CONFIG_SYS_HZ		1000		/* Ticks per second */

#define MACH_TYPE_APX4DEVKIT	3712
#define CONFIG_MACH_TYPE	MACH_TYPE_APX4DEVKIT

#include <asm/arch/regs-base.h>

#define CONFIG_SYS_NO_FLASH
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_ARCH_MISC_INIT

/* SPL */
#define CONFIG_SPL
#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
#define CONFIG_SPL_START_S_PATH	"arch/arm/cpu/arm926ejs/mxs"
#define CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_GPIO_SUPPORT

/* U-Boot Commands */
#include <config_cmd_default.h>
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DOS_PARTITION

#define CONFIG_CMD_CACHE
#define CONFIG_CMD_DATE
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_CMD_I2C
#define CONFIG_CMD_MII
#define CONFIG_CMD_MMC
#define CONFIG_CMD_NAND
#define CONFIG_CMD_NET
#define CONFIG_CMD_NFS
#define CONFIG_CMD_PING
#define CONFIG_CMD_SAVEENV
#define CONFIG_CMD_USB

/* Memory configurations */
#define CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
#define PHYS_SDRAM_1			0x40000000	/* Base address */
#define PHYS_SDRAM_1_SIZE		0x20000000	/* Max 512 MB RAM */
#define CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
#define CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
#define CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1

/* Point initial SP in SRAM so SPL can use it too. */
#define CONFIG_SYS_INIT_RAM_ADDR	0x00000000
#define CONFIG_SYS_INIT_RAM_SIZE	(128 * 1024)

#define CONFIG_SYS_INIT_SP_OFFSET \
	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)

/*
 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
 * binary. In case there was more of this mess, 0x100 bytes are skipped.
 */
#define CONFIG_SYS_TEXT_BASE		0x40000100

#define CONFIG_ENV_OVERWRITE

/* U-Boot general configurations */
#define CONFIG_SYS_LONGHELP
#define CONFIG_SYS_PROMPT		"=> "
#define CONFIG_SYS_CBSIZE		1024	/* Console I/O buffer size */
#define CONFIG_SYS_PBSIZE	\
	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
						/* Print buffer size */
#define CONFIG_SYS_MAXARGS		32	/* Max number of command args */
#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
						/* Boot argument buffer size */
#define CONFIG_VERSION_VARIABLE			/* U-Boot version */
#define CONFIG_AUTO_COMPLETE			/* Command auto complete */
#define CONFIG_CMDLINE_EDITING			/* Command history etc. */
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
#define CONFIG_OF_LIBFDT
#define CONFIG_ENV_IS_IN_NAND

/* Serial Driver */
#define CONFIG_PL011_SERIAL
#define CONFIG_PL011_CLOCK		24000000
#define CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
#define CONFIG_CONS_INDEX		0
#define CONFIG_BAUDRATE			115200	/* Default baud rate */
#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

/* DMA */
#define CONFIG_APBH_DMA

/* MMC Driver */
#ifdef CONFIG_ENV_IS_IN_MMC
#define CONFIG_ENV_OFFSET		(256 * 1024)
#define CONFIG_ENV_SIZE			(16 * 1024)
#define CONFIG_SYS_MMC_ENV_DEV		0
#endif

#ifdef CONFIG_CMD_MMC
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_BOUNCE_BUFFER
#define CONFIG_MXS_MMC
#endif

/* NAND Driver */
#ifdef CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_SECT_SIZE		(128 * 1024)
#define CONFIG_ENV_SIZE			(128 * 1024)
#define CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
#define CONFIG_ENV_RANGE		(384 * 1024)
#define CONFIG_ENV_OFFSET		0x120000
#define CONFIG_ENV_OFFSET_REDUND	\
		(CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)
#endif

#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_MXS
#define CONFIG_SYS_MAX_NAND_DEVICE	1
#define CONFIG_SYS_NAND_BASE		0x60000000
#define CONFIG_SYS_NAND_5_ADDR_CYCLE

#define CONFIG_CMD_UBI
#define CONFIG_CMD_UBIFS
#define CONFIG_CMD_MTDPARTS
#define CONFIG_RBTREE
#define CONFIG_LZO
#define CONFIG_MTD_DEVICE
#define CONFIG_MTD_PARTITIONS
#define MTDIDS_DEFAULT			"nand0=gpmi-nand"
#define MTDPARTS_DEFAULT \
	"mtdparts=gpmi-nand:128k(bootstrap),1024k(boot),768k(env),-(root)"
#else
#define MTDPARTS_DEFAULT		""
#endif

/* Ethernet on SOC (FEC) */
#ifdef CONFIG_CMD_NET
#define CONFIG_NET_MULTI
#define CONFIG_ETHPRIME			"FEC"
#define CONFIG_FEC_MXC
#define CONFIG_FEC_MXC_PHYADDR		0
#define IMX_FEC_BASE			MXS_ENET0_BASE
#define CONFIG_MII
#define CONFIG_FEC_XCV_TYPE		RMII
#endif

/* USB */
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_MXS
#define CONFIG_EHCI_MXS_PORT1
#define CONFIG_USB_MAX_CONTROLLER_COUNT	1
#define CONFIG_EHCI_IS_TDI
#define CONFIG_USB_STORAGE
#endif

/* I2C */
#ifdef CONFIG_CMD_I2C
#define CONFIG_I2C_MXS
#define CONFIG_HARD_I2C
#define CONFIG_SYS_I2C_SPEED		400000
#endif

/* RTC */
#if defined(CONFIG_CMD_DATE)
#define CONFIG_RTC_PCF8563
#define CONFIG_SYS_I2C_RTC_ADDR		0x51
#endif

/* Boot Linux */
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_BOOTDELAY		1
#define CONFIG_BOOTFILE			"uImage"
#define CONFIG_BOOTCOMMAND		"run bootcmd_nand"
#define CONFIG_LOADADDR			0x41000000
#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
#define CONFIG_SERIAL_TAG
#define CONFIG_REVISION_TAG

/* Extra Environments */
#define CONFIG_EXTRA_ENV_SETTINGS \
	"mtdparts=" MTDPARTS_DEFAULT "\0" \
	"verify=no\0" \
	"bootcmd=run bootcmd_nand\0" \
	"kernelargs=console=tty0 console=ttyAMA0,115200 consoleblank=0\0" \
	"bootargs_nand=" \
		"setenv bootargs ${kernelargs} ubi.mtd=3,2048 " \
		"root=ubi0:rootfs rootfstype=ubifs ${mtdparts} rw\0" \
	"bootcmd_nand=" \
		"run bootargs_nand && ubi part root 2048 && " \
		"ubifsmount ubi:rootfs && ubifsload 41000000 boot/uImage && " \
		"bootm 41000000\0" \
	"bootargs_mmc=" \
		"setenv bootargs ${kernelargs} " \
		"root=/dev/mmcblk0p2 rootwait ${mtdparts} rw\0" \
	"bootcmd_mmc=" \
		"run bootargs_mmc && mmc rescan && " \
		"ext2load mmc 0:2 41000000 boot/uImage && bootm 41000000\0" \
""

#endif /* __CONFIG_H */
